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A357987 as a simple table

na(n)
12
23
32
45
55
62
73
82
921
105
112
125
135
145
157
166
175
186
196
207
2111
2224
232
2413
255
266
2735
287
2910
3034
316
3215
332
3428
3510
362
375
3814
3919
402
415
4228
432
443
452
4635
472
4818
496
5011
513
523
5337
542
555
5626
5729
5833
5942
6013
615
625
6310
6411
6513
6621
6718
685
6910
705
716
727
7324
7420
753
7615

[2,3,2,5,5,2,3,2,21,5,2,5,5,5,7,6,5,6,6,7,11,24,2,
 13,5,6,35,7,10,34,6,15,2,28,10,2,5,14,19,2,5,28,2,
 3,2,35,2,18,6,11,3,3,37,2,5,26,29,33,42,13,5,5,10,
 11,13,21,18,5,10,5,6,7,24,20,3,15]